# array 美 [əˈreɪ]
# n. 数组，阵列；排列，列阵；大批，一系列；衣服
# vt. 排列，部署；打扮


# iteration    美 [ˌɪtəˈreɪʃn]
# n. [数] 迭代；反复；重复


for letter in "Giraffe Academy":
    print(letter)

for index in range(3, 10):
    print(index)

friends = ["jim", "hlan", "hole", "niu"]
for friend in friends:
    print(friend)

for index in range(len(friends)):
    print(friends[index])



for index in range(5):
    if index == 0:
        print("the 1st iteration")
    else:
        print("not the 1st iteration")